Any and all elections authorized by this chapter for school purposes may, unless otherwise provided, be held separately or in connection with any general or special election. Notice of an election shall be given by the publication of the order of the board calling the same as a Class II-0 legal advertisement in compliance with the provisions of article three, chapter fifty-nine of this code, and the publication area for such publication is the territory in which the election is to be held. The order shall be published within fourteen consecutive days next preceding the day of election. All provisions of the law concerning general and special elections apply in these elections insofar as is practicable. In cases of special elections the board calling the election shall appoint necessary election officers. The secretary of the board shall procure and furnish to the election commissioners at each place of voting the ballots, poll books, tally sheets and other election supplies necessary for the election. In calling elections, district and county boards of education shall follow the forms prescribed by the Attorney General. For all elections authorized by this chapter for school purposes, the county commission is the board of canvassers to canvass the returns.